13112520503 has 2 divisors, whose sum is σ = 13112520504. Its totient is φ = 13112520502.

The previous prime is 13112520497. The next prime is 13112520541. The reversal of 13112520503 is 30502521131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13112520503 - 2⁶ = 13112520439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112520583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556260251 + 6556260252.

It is an arithmetic number, because the mean of its divisors is an integer number (6556260252).

Almost surely, 2^13112520503 is an apocalyptic number.

13112520503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112520503 is an equidigital number, since it uses as much as digits as its factorization.

13112520503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 13112520503 in words is "thirteen billion, one hundred twelve million, five hundred twenty thousand, five hundred three".